Inker credit verified by Craig Delich; we formerly credited Win Mortimer.
Inside front cover.
Writer credit by Martin O'Hearn. Kane pencils credit verified by Lew Sayre Schwartz to Craig Delich.
Pictured in the story is a detailed schematic of the Bat-Signal. The last 1/3 of page 12 is an illustrated sub-feature titled "Extra! How the Bat-Signal Caught a Killer!"
Script credit from Craig Delich.